Here are the highlights of the 16 ad-sustained programs that aired in primetime on the broadcast networks last night (2/23/17):

ABC (5.838 million viewers, #2; adults 18-49: 1.6, #1) staked another claim to the demo crown on Thursday with new episodes of "Grey's Anatomy" (7.607 million viewers, #2; adults 18-49: 2.0, #2), "How to Get Away with Murder" (5.070 million viewers, #6; adults 18-49: 1.5, #T3) and the season finale of "How to Get Away with Murder" (4.837 million viewers, #8; adults 18-49: 1.4, #T5).